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57690241026 = 23117112311191
BaseRepresentation
bin110101101110100110…
…110011100000000010
312111220112100220002120
4311232212303200002
51421122200203101
642300314025110
74111421646345
oct655646634002
9174815326076
1057690241026
1122514700a50
12b220418196
1355950790c2
142b13c0445c
151779aa4b36
hexd6e9b3802

57690241026 has 32 divisors (see below), whose sum is σ = 127642438656. Its totient is φ = 17235666000.

The previous prime is 57690241019. The next prime is 57690241031. The reversal of 57690241026 is 62014209675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6150910 + ... + 6160281.

It is an arithmetic number, because the mean of its divisors is an integer number (3988826208).

Almost surely, 257690241026 is an apocalyptic number.

57690241026 is an abundant number, since it is smaller than the sum of its proper divisors (69952197630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57690241026 is a wasteful number, since it uses less digits than its factorization.

57690241026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311278.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 57690241026 in words is "fifty-seven billion, six hundred ninety million, two hundred forty-one thousand, twenty-six".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1562 2343 4686 12311191 24622382 36933573 73867146 135423101 270846202 406269303 812538606 874094561 1748189122 2622283683 5244567366 9615040171 19230080342 28845120513 57690241026